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/*
 * Copyright 2010 Trustees of the University of Pennsylvania Licensed under the
 * Educational Community License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 *
 * http://www.osedu.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package metridoc.camel.aggregator;

import org.apache.camel.Exchange;
import org.apache.camel.impl.DefaultExchange;
import org.apache.camel.processor.aggregate.AggregationStrategy;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Thomas Barker
 */
public class BodyAggregator implements AggregationStrategy {

    @Override
    @SuppressWarnings("unchecked")
    public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
        
        if (oldExchange == null) {
            oldExchange = new DefaultExchange(newExchange);
            oldExchange.getIn().setHeaders(newExchange.getIn().getHeaders());
            List